BEF 16-20-502 DURBAL内含滚珠关节轴承 DSAL 80 ES-2RS BEF 16-20-502 DURBAL内含滚珠关节轴承 DSAL 80 ES-2RS;BEF 16-20-502重量;BEF 16-20-502尺寸参数;DSAL 80 ES-2RS重量参数;DSAL 80 ES-2RS货期快速... 2025-01-21/ 22 次浏览/ 德国DURBAL轴承